unhelpful

adj.

无益的；不予帮助的；

1. Both responses are unhealthy and unhelpful.
   这两种反应不仅伤害身心健康也于事无补。
2. Because we're no longer reinforcing unhelpful emotions, the body starts to relax.
   因为我们不再强化无益的情绪，身体开始放松。
3. He was rude and unhelpful to his helpless students.
   他对他那些无助的学生既无礼又不提供帮助。

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STREET QUALITY ASSESSMENT METHOD AND SYSTEM